2692991 has 6 divisors (see below), whose sum is σ = 3132720. Its totient is φ = 2308236.

The previous prime is 2692981. The next prime is 2692999. The reversal of 2692991 is 1992962.

It is a de Polignac number, because none of the positive numbers 2^k-2692991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2692999) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27431 + ... + 27528.

It is an arithmetic number, because the mean of its divisors is an integer number (522120).

2^2692991 is an apocalyptic number.

2692991 is a deficient number, since it is larger than the sum of its proper divisors (439729).

2692991 is an equidigital number, since it uses as much as digits as its factorization.

2692991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54973 (or 54966 counting only the distinct ones).

The product of its digits is 17496, while the sum is 38.

The square root of 2692991 is about 1641.0335158064. The cubic root of 2692991 is about 139.1270683869.

The spelling of 2692991 in words is "two million, six hundred ninety-two thousand, nine hundred ninety-one".